Server Reference Guide > Server Reference Guide > A. Error Codes and Messages > OpenROAD Server Errors > Parameter Data Output Errors
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Parameter Data Output Errors
The following error codes report problems encountered when converting the ByRef output back into VARIANT types to be marshaled back:
HRESULT
Description
0x80047000
Attribute name not found. The expected attribute name was not found in a 4GL output object. The 4GL procedure may be attempting to return an object of a different class than what was input.
0x80047100
Attribute type not the same as it was on input. The data type of an attribute returned through ByRef from the 4GL procedure does not match the data type it had on input. The 4GL procedure may be attempting to return an object of a different class than what was input.
0x80047200
Row type not the same. The class of an array row returned through ByRef from the 4GL procedure does not match the class it had on input. The 4GL procedure may have assigned an instance of a subclass to that row.
0x80047300
Null array row. A null row was encountered in an OpenROAD array returned from the 4GL procedure. This cannot be represented in a COM safearray.
0x80047400
Output conversion error. The conversion from a 4GL data value to an equivalent VARIANT type failed.
Last modified date: 12/20/2023